___ -1 + \/ 6 / | | / 2*x + 3 \ | |-------------| | \x*x + 2*x + 3/ | ----------------- dx | _______________ | \/ x*x + 2*x + 4 | / -1
Integral(((2*x + 3)/(x*x + 2*x + 3))/sqrt(x*x + 2*x + 4), (x, -1, -1 + sqrt(6)))
/ | | / 2*x + 3 \ / / | |-------------| | | | \x*x + 2*x + 3/ | x | 1 | ----------------- dx = C + 2* | -------------------------------- dx + 3* | -------------------------------- dx | _______________ | ______________ | ______________ | \/ x*x + 2*x + 4 | / 2 \ / 2 | / 2 \ / 2 | | \3 + x + 2*x/*\/ 4 + x + 2*x | \3 + x + 2*x/*\/ 4 + x + 2*x / | | / /
___ -1 + \/ 6 / | | 3 + 2*x | -------------------------------- dx | ______________ | / 2 \ / 2 | \3 + x + 2*x/*\/ 4 + x + 2*x | / -1
=
___ -1 + \/ 6 / | | 3 + 2*x | -------------------------------- dx | ______________ | / 2 \ / 2 | \3 + x + 2*x/*\/ 4 + x + 2*x | / -1
Integral((3 + 2*x)/((3 + x^2 + 2*x)*sqrt(4 + x^2 + 2*x)), (x, -1, -1 + sqrt(6)))
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.